Wilson Combat Upper Receiver 5.56x45mm NATO AR-15 Billet Anodized Black

Designed by Bill Wilson and the Wilson Combat design team to be the base for the ultimate precision tactical AR-15 rifle, the BILLet-AR upper receiver set is 100% machined in our Berryville, AR facility.The Wilson Combat BILLet-AR receiver was engineered from the ground up to address structural design weaknesses in standard USGI receivers and enhance overall tolerances.The BILLet-AR upper receiver has a precise bolt raceway for smoother chambering, more rigid receiver walls to reduce firing flex.Our extensive experience as a premier custom builder of AR-15 rifles will ensure your satisfaction with this next generation precision tactical shooting platform.Specifications:CNC machined from 7075-T6 aircraft gade solid billet aluminum machined to industry leading tolerancesMil-Spec type 3 hardcoat anodize black finishHand prepped for a flawless surface finishPicatinny top railShell deflectorM4-style extended feed ramps for excellent reliability with a wide variety of calibersUndersize bolt raceway for smoother chambering, improved feeding and enhanced recoil dynamicsSmooth side profile without forward assist for maximum accuracy potentialGood match with standard Mil-Spec forged lower receivers or Wilson BILLet-AR lower receivers and any standard AR barrelEnhanced receiver will not accept some aftermarket bolt releasesWith Mil-Spec dustcover assembly installed